AZ 801 Exam study Guide

Lab answer key: Configuring security in Windows Server

Note: An interactive lab simulation is available that allows you to click through this lab at your own pace. You may find slight differences between the interactive simulation and the hosted lab, but the core concepts and ideas being demonstrated are the same.

Exercise 1: Configuring Windows Defender Credential Guard

Note: In the lab environment, Credential Guard will not be available on VMs because they don’t meet the prerequisites. This, however, will not prevent you from stepping through the process of implementing it by using Group Policy and evaluating its readiness by using corresponding tools.

Task 1: Enable Windows Defender Credential Guard using Group Policy

  1. Connect to SEA-SVR2 and, if needed, sign in as CONTOSO\Administrator with the password Pa55w.rd.
  2. In the Type here to search text box next to the Start button, enter Group Policy Management.
  3. In the list of results, select Group Policy Management.
  4. In the Group Policy Management console, expand Forest: contoso.com, expand Domains, expand contoso.com, right-click or access the context menu for the IT Organizational Unit (OU), and then select Create a GPO in this domain, and Link it here.
  5. In the New GPO dialog box, in the Name text box, enter CredentialGuard_GPO, and then select OK.
  6. In the Group Policy Management window, under IT, right-click or access the context menu for CredentialGuard_GPO, and then select Edit.
  7. In the Group Policy Management Editor, browse to Computer Configuration\Policies\Administrative Templates\System\Device Guard.
  8. Select Turn On Virtualization Based Security, and then select the policy setting link.
  9. In the Turn On Virtualization Based Security window, select the Enabled option.
  10. In the Select Platform Security Level drop-down list, ensure that the Secure Boot and DMA Protection entry is selected.
  11. In the Credential Guard Configuration drop-down list, select the Enabled with UEFI lock entry.
  12. In the Secure Launch Configuration drop-down list, select the Enabled entry, and then select OK.
  13. Close the Group Policy Management Editor window.
  14. Close the Group Policy Management console window.

Task 2: Enable Windows Defender Credential Guard using the Hypervisor-Protected Code Integrity (HVCI) and Windows Defender Credential Guard hardware readiness tool

  1. On SEA-SVR2, select Start, right-click or access the context menu for Windows PowerShell, and then select Run as administrator.
  2. To run the HVCI and Windows Defender Credential Guard hardware readiness tool, at the Windows PowerShell command prompt, enter the following commands, select [R] Run once at the first prompt, and then press Enter for the rest of the prompts:
    Code
    Set-Location -Path C:\Labfiles\Lab01\
    .\DG_Readiness_Tool.ps1 -Enable -AutoReboot
    
  3. Wait until the tool completes its run and, when prompted, in the You’re about to be signed out dialog box, select Close.

    Note: The operating system will restart.

  4. Once the restart completes, sign back into SEA-SVR2 as CONTOSO\Administrator, with the password Pa55w.rd.

Exercise 2: Locating problematic accounts

Task 1: Locate and reconfigure domain accounts with non-expiring passwords

  1. On SEA-SVR2, select Start, right-click or access the context menu for Windows PowerShell, and then select Run as administrator.
  2. To list Active Directory-enabled user accounts with a non-expiring password, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    Get-ADUser -Filter {Enabled -eq $true -and PasswordNeverExpires -eq $true}
    
  3. Review the list of user accounts returned.
  4. To enable password expiration for all user accounts in the result set, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    Get-ADUser -Filter {Enabled -eq $true -and PasswordNeverExpires -eq $true} | Set-ADUser -PasswordNeverExpires $false
    
  5. To verify the outcome, rerun the command from step 2 and notice that no results are returned.

Task 2: Locate and disable domain accounts that have not been used to sign in for at least 90 days

  1. To identify Active Directory user accounts that have not been used to sign in for at least 90 days, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    $days = (Get-Date).AddDays(-90)
    Get-ADUser -Filter {LastLogonTimeStamp -lt $days -and enabled -eq $true} -Properties LastLogonTimeStamp
    

    Note: In the lab environment, no results will be returned.

  2. To disable Active Directory user accounts that have not been used to sign in for at least 90 days, enter the following command and press Enter:
    Code
    Get-ADUser -Filter {LastLogonTimeStamp -lt $days -and enabled -eq $true} -Properties LastLogonTimeStamp | Disable-ADAccount
    

    Note: In the lab environment, no results will be returned.

Exercise 3: Implementing LAPS

Task 1: Prepare computer accounts for implementing LAPS (Local Administrator Password Solution)

  1. To create a designated OU and move the SEA-SVR1 computer account to it, on SEA-SVR2, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    New-ADOrganizationalUnit -Name "Seattle_Servers"
    Get-ADComputer SEA-SVR1 | Move-ADObject –TargetPath "OU=Seattle_Servers,DC=Contoso,DC=com"
    
  2. To install LAPS, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    Msiexec /i C:\Labfiles\Lab01\LAPS.x64.msi
    
  3. On the Welcome to the Local Administrator Password Solution Setup Wizard page of the Local Administrator Password Solution Setup wizard, select Next.
  4. On the End-User License Agreement page of the Local Administrator Password Solution Setup wizard, select I accept the terms in the License Agreement, and then select Next.
  5. On the Custom Setup page of the Local Administrator Password Solution Setup wizard, in the drop-down menu next to Management Tools, select Entire feature will be installed on the local hard drive, and then select Next.
  6. On the Ready to install Local Administrator Password Solution page of the Local Administrator Password Solution Setup wizard, select Install.
  7. Once the installation completes, on the final page of the Local Administrator Password Solution Setup wizard, select Finish.
  8. To enable the Windows Defender Firewall with Advanced Security rule that allows incoming Server Message Block (SMB) connections from other domain-joined servers, at the Windows PowerShell command prompt, enter the following commands and, after each, press Enter:
    Code
    $rule = Get-NetFirewallRule | Where-Object DisplayName -eq 'File and Printer Sharing (SMB-In)' 
    $rule | Set-NetFirewallRule -Profile Domain
    $rule | Enable-NetFirewallRule
    

    Note: This is required to connect to SEA-SVR2 from SEA-SVR1 later in this lab.

Task 2: Prepare AD DS for LAPS

  1. To prepare the domain for LAPS, on SEA-SVR2, at the Windows PowerShell command prompt, enter the following commands, and after each, press Enter:
    Code
    Import-Module admpwd.ps
    Update-AdmPwdADSchema
    Set-AdmPwdComputerSelfPermission -Identity "Seattle_Servers"
    
  2. On SEA-SVR2, in the Type here to search text box next to the Start button, enter Group Policy Management.
  3. In the list of results, select Group Policy Management.
  4. In the Group Policy Management console, expand Forest: contoso.com, expand Domains, expand contoso.com, right-click or access the context menu for the Seattle_Servers OU, and then select Create a GPO in this domain, and Link it here.
  5. In the New GPO dialog box, in the Name text box, enter LAPS_GPO, and then select OK.
  6. In the Group Policy Management window, under Seattle_Servers, right-click or access the context menu for LAPS_GPO, and then select Edit.
  7. In the Group Policy Management Editor window, under Computer Configuration, expand the Policies node, expand the Administrative Templates node, and then select LAPS.
  8. Select the Enable local admin password management policy, and then select the policy settings link.
  9. In the Enable local admin password management window, select Enabled, and then select OK.
  10. Select the Password Settings policy, and then select the policy settings link.
  11. In the Password Settings policy dialog box, select Enabled, and then configure Password Length to 20.
  12. Verify that the Password Age (Days) is configured to 30, and then select OK.
  13. Close the Group Policy Management Editor.

Task 3: Deploy LAPS client-side extension

  1. Switch to the console session to SEA-SVR1 and then, if needed, sign in as CONTOSO\Administrator, with the password Pa55w.rd.

    Note: You will be prompted to change your password, as a result of running in the previous exercise the script that enables password expiration. Choose an arbitrary password and use it throughout the remainder of the lab.

  2. Once you sign in, to access the Windows PowerShell command prompt, at the SConfig menu prompt, enter 15 and press Enter.

    Note: To open Notepad from PowerShell, type Notepad and press enter.

  3. To install LAPS silently with the default settings, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    Start-Process msiexec.exe -Wait -ArgumentList '/i \\SEA-SVR2.contoso.com\c$\Labfiles\Lab01\LAPS.x64.msi /quiet'
    
  4. To trigger the processing of Group Policy that will apply LAPS settings locally, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    gpupdate /force
    

Task 4: Verify LAPS

  1. Switch to the console session to SEA-SVR2.
  2. Select Start. In the Start menu, select LAPS, and then select LAPS UI.
  3. In the LAPS UI dialog box, in the Computer name text box, enter SEA-SVR1, and then select Search.
  4. Review the Password and the Password expires values, and then select Exit.
  5. Switch to the Windows PowerShell console and then, to verify the value of the password, at the Windows PowerShell command prompt, enter the following command and press Enter:
    Code
    Get-ADComputer -Identity SEA-SVR1 -Properties ms-Mcs-AdmPwd
    
  6. Review the password assigned to SEA-SVR1 and note that it matches the one displayed in the LAPS UI tool.

    Note: The value of the password is, in this case, enclosed in a pair of braces.

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